<script setup>
import {ref,watch,onMounted} from 'vue'
import {queryEmpApi,addEmpApi,queryByIdApi,updateEmpApi,deleteEmpApi} from '@/api/emp'
import {queryAllApi as queryAllDeptsApi} from '@/api/dept'
import { ElMessage,ElMessageBox} from 'element-plus'

//定义基础数据
//职位列表数据
const jobs = ref([{ name: '班主任', value: 1 },{ name: '讲师', value: 2 },{ name: '学工主管', value: 3 },{ name: '教研主管', value: 4 },{ name: '咨询师', value: 5 },{ name: '其他', value: 6 }])
//性别列表数据
const genders = ref([{ name: '男', value: 1 }, { name: '女', value: 2 }]);
//部门列表数据
const depts = ref([]);

async function queryAllDepts(){
    const result=await queryAllDeptsApi()
    if(result.code){
      depts.value=result.data
    }
}

const searchEmp=ref({
  name:'',
  gender:'',
  data:[],
  begin:'',
  end:''
})
//watch侦听
//监听searchEmp中的data属性，当data属性发生变化后，后面的函数会执行
//就会将0索引处的值赋给begin。1索引处的值赋给end
watch(()=>searchEmp.value.data,(newVal,oldVal)=>{
  //增加条件判断，判断data是否存在，以及data中是否有内容
  if(searchEmp.value.data&&searchEmp.value.data.length>0){
    searchEmp.value.begin=searchEmp.value.data[0]
   searchEmp.value.end =searchEmp.value.data[1]
  }else{
    searchEmp.value.begin=''
   searchEmp.value.end =''
  }
    
})
//查询
async function serach(){
  const result=await queryEmpApi(searchEmp.value.name,
                                searchEmp.value.gender,
                                searchEmp.value.begin,
                                searchEmp.value.end,
                                currentPage.value,
                                pageSize.value
  )
  if(result.code){
    empList.value=result.data.rows
    total.value=result.data.total
  }
}

onMounted(()=>{
  serach()
  //在页面加载的时候就请求部门的数据进来，这样在新增员工和编辑的按钮点击后可以得到数据
  queryAllDepts()
  getToken()
})
//清空
function claer(){
  searchEmp.value={
  name:'',
  gender:'',
  data:[],
  begin:'',
  end:''
}
serach()
}

//承载表格中的数据
const empList=ref([])
//设置页码和一页展示的数量以及总数的默认值
const currentPage=ref(1)
const pageSize=ref(10)
const total=ref(0)

function handleSizeChange(){
  serach()
}

function handleCurrentChange(){
  serach()
}
//-------------------------------------------------------------------------------------
const employee = ref({
  username: '',
  name: '',
  gender: '',
  phone: '',
  job: '',
  salary: '',
  deptId: '',
  entryDate: '',
  image: '',
  exprList: []
})

// 控制弹窗
const dialogVisible = ref(false)
const dialogTitle = ref('')

//文件上传
// 图片上传成功后触发
const handleAvatarSuccess = (response) => {
  //让上传的图片可以在表单中体现出来
  employee.value.image=response.data
}
// 文件上传之前触发
const beforeAvatarUpload = (rawFile) => {
  if (rawFile.type !== 'image/jpeg' && rawFile.type !== 'image/png') {
    ElMessage.error('只支持上传图片')
    return false
  } else if (rawFile.size / 1024 / 1024 > 10) {
    ElMessage.error('只能上传10M以内图片')
    return false
  }
  return true
}
//新增员工
function add(){
  dialogVisible.value=true
  dialogTitle.value='新增员工'
  employee.value = {
  username: '',
  name: '',
  gender: '',
  phone: '',
  job: '',
  salary: '',
  deptId: '',
  entryDate: '',
  image: '',
  exprList: []
}
if(empFormRef.value){
    empFormRef.value.resetFields();
  }
}

//新增员工工作经历
function addExpr(){
  employee.value.exprList.push({company:'',job:'',begin:'',end:'',exprDate:[]})
}

//删除员工工作经历
function deleteExpr(index){
  employee.value.exprList.splice(index,1)
}

//添加侦听
watch (()=>employee.value.exprList,(newVal,oldVal)=>{
  if(employee.value.exprList && employee.value.exprList.length>0){
    employee.value.exprList.forEach(expr=>{
      if(expr.exprDate && expr.exprDate.length>0){
        expr.begin=expr.exprDate[0]
        expr.end=expr.exprDate[1]
      }else{
        expr.begin=''
        expr.end=''
      }
    })
  }
},{deep:true})

//保存新增的员工
async function save(){
  //表单校验
  if(! empFormRef) return
  await empFormRef.value.validate(async(valid,fields)=>{
    if(valid){
      //通过校验
      let result
      if(employee.value.id){
        //修改
        result=await updateEmpApi(employee.value)
      }else{
        //新增
        result=await addEmpApi(employee.value)
      }
      
  if(result.code){
    ElMessage.success('操作成功')
    dialogVisible.value=false
    serach()
  }else{
    ElMessage.error(result.msg)
  }
    }
  })
  
}
//定义表单校验的？
const empFormRef = ref()

//表单校验规则
const rules = ref({
  username: [
    { required: true, message: '请输入用户名', trigger: 'blur' },
    { min: 2, max: 20, message: '用户名长度应在2到20个字符之间', trigger: 'blur' }
  ],
  name: [
    { required: true, message: '请输入姓名', trigger: 'blur' },
    { min: 2, max: 10, message: '姓名长度应在2到10个字符之间', trigger: 'blur' }
  ],
  gender: [
    { required: true, message: '请选择性别', trigger: 'change' }
  ],
  phone: [
    { required: true, message: '请输入手机号', trigger: 'blur' },
    //^代表以这个数字开头，$代表结尾，[]代表限制数字的范围，以\d代表这个位置仅能是数字，\d{}代表有多少位是数字
    { pattern: /^1[3-9]\d{9}$/, message: '请输入有效的手机号', trigger: 'blur' }
  ]
})

//查询回显
async function edit(id){
  const result=await queryByIdApi(id)
  if(result.code){
    dialogVisible.value=true
    dialogTitle.value='编辑员工'
    employee.value=result.data
    if(employee.value.exprList&&employee.value.exprList.length>0){
      employee.value.exprList.forEach(expr=>{
        expr.exprDate=[expr.begin,expr.end]
      })
    }
  }else{
    ElMessage.error('查询失败')
  }
}
//删除单个员工
function deleteById(id){
  ElMessageBox.confirm(
    '您确定要删除该员工吗？',
    '提示',
    {
      confirmButtonText: '确定',
      cancelButtonText: '取消',
      type: 'warning',
    }
  )
    .then(async() => {
     const result=await deleteEmpApi(id)
     if(result.code){
      ElMessage.success('删除成功')
      serach()
     }else{
      ElMessage.error(result.msg)
     }
    })
    .catch(() => {
      ElMessage.info('取消操作')
    })
}

//得到复选框里的id
const selectIds=ref([])
const handleSelectionChange = (valArr) => {
  selectIds.value=valArr.map(item=>item.id)
}

//批量删除员工
function deleteByIds(){
  ElMessageBox.confirm(
    '您确定要删除该部门吗？',
    '提示',
    {
      confirmButtonText: '确定',
      cancelButtonText: '取消',
      type: 'warning',
    }
  )
    .then(async() => {
     const result=await deleteEmpApi(selectIds.value)
     if(result.code){
      ElMessage.success('删除成功')
      serach()
     }else{
      ElMessage.error(result.msg)
     }
    })
    .catch(() => {
      ElMessage.info('取消操作')
    })
}

//给上传图片增加token
const token=ref('')

function getToken(){
  const loginUserstr=localStorage.getItem('loginUser')
  if(loginUserstr){
    token.value=JSON.parse(loginUserstr).token
  }
}
</script>

<template>
  <h1>员工管理</h1>
  <!-- 表头的表单项和按钮 -->
  <div class="search">
    <el-form :inline="true" :model="searchEmp" class="demo-form-inline">
    <el-form-item label="姓名">
      <el-input v-model="searchEmp.name" placeholder="请输入员工姓名" />
    </el-form-item>

    <el-form-item label="性别">
      <el-select
        v-model="searchEmp.gender"
        placeholder="请选择">
        <el-option label="男" value="1" />
        <el-option label="女" value="2" />
      </el-select>
    </el-form-item>
    <!-- 注意：value-format绑定日期的输出格式，YYYY-MM-DD需要大写 -->
    <el-form-item label="入职时间">
      <el-date-picker
        v-model="searchEmp.data"
        type="daterange"
        range-separator="到"
        start-placeholder="开始日期"
        end-placeholder="结束日期"
        value-format="YYYY-MM-DD"
      />
    </el-form-item>

    <el-form-item>
      <el-button type="primary" @click="serach">查询</el-button>
      <el-button type="info" @click="claer">清空</el-button>
    </el-form-item>
  </el-form>
  </div>
  <div class="add">
    <el-button type="primary" @click="add"> + 新增员工</el-button>
    <el-button type="danger" @click="deleteByIds"> - 批量删除</el-button>
  </div>

  <!-- 表格 -->
  <el-table :data="empList" border style="width: 100%"  @selection-change="handleSelectionChange">
    <!-- type="index"让表格序号列顺序排列1234 -->
     <!-- 用align使数据居中 -->
    <el-table-column type="selection" width="80"  align="center"/>
    <el-table-column prop="name" label="姓名" width="100"  align="center"/>
    <el-table-column prop="gender" label="性别" width="80"  align="center">
      <!-- 插槽 -->
      <template #default="scope">
        {{scope.row.gender==1?'男':'女'}}
      </template>
    </el-table-column>
    <el-table-column prop="image" label="头像" align="center" width="150">
      <template #default="scope">
       <img :src="scope.row.image" alt="Avatar" class="avatar" height="50"/>
      </template>
    </el-table-column>
    <el-table-column prop="deptName" label="所属部门" width="100"  align="center"/>
    <el-table-column prop="job" label="职位" width="100"  align="center">
      <template #default="scope">
      <div v-if="scope.row.job==1">班主任</div>
      <div v-else-if="scope.row.job==2">讲师</div>
      <div v-else-if="scope.row.job==3">学工主管</div>
      <div v-else-if="scope.row.job==4">教研主管</div>
      <div v-else-if="scope.row.job==5">咨询师</div>
      <div v-else>其他</div>
      </template>
    </el-table-column>
    <el-table-column prop="entryDate" label="入职日期" width="150"  align="center"/>
    <el-table-column prop="updateTime" label="最后操作时间" width="200"  align="center"/>
    <el-table-column label="操作"  align="center">
      <!-- 插槽引入按钮 -->
      <template #default="scope">
        <el-button type="primary" size="small" @click="edit(scope.row.id)">编辑</el-button>
        <el-button type="danger" size="small" @click="deleteById(scope.row.id)">删除</el-button>
      </template>
    </el-table-column>
  </el-table>
  <!-- 分页条 -->
  <el-pagination
      v-model:current-page="currentPage"
      v-model:page-size="pageSize"
      :page-sizes="[10, 20, 30, 40]"
      layout="total, sizes, prev, pager, next, jumper"
      :total="total"
      @size-change="handleSizeChange"
      @current-change="handleCurrentChange"
    />

    <!-- 新增/修改员工的对话框  empFormRef校验用的 -->
  <el-dialog v-model="dialogVisible" :title="dialogTitle">
      <el-form :model="employee" ref="empFormRef" :rules="rules" label-width="80px">
        <!-- 基本信息 -->
        <!-- 第一行 -->
        <el-row :gutter="20">
          <el-col :span="12">
            <el-form-item label="用户名" prop="username">
              <el-input v-model="employee.username" placeholder="请输入员工用户名，2-20个字"></el-input>
            </el-form-item>
          </el-col>
          
          <el-col :span="12">
            <el-form-item label="姓名" prop="name">
              <el-input v-model="employee.name" placeholder="请输入员工姓名，2-10个字"></el-input>
            </el-form-item>
          </el-col>
        </el-row>

        <!-- 第二行 -->
        <el-row :gutter="20">
          <el-col :span="12">
            <el-form-item label="性别" prop="gender">
              <el-select v-model="employee.gender" placeholder="请选择性别" style="width: 100%;">
                <el-option v-for="gender in genders" :label="gender.name" :value="gender.value"></el-option>
              </el-select>
            </el-form-item>
          </el-col>

          <el-col :span="12">
            <el-form-item label="手机号" prop="phone">
              <el-input v-model="employee.phone" placeholder="请输入员工手机号"></el-input>
            </el-form-item>
          </el-col>
        </el-row>

        <!-- 第三行 -->
        <el-row :gutter="20">
          <el-col :span="12">
            <el-form-item label="职位">
              <el-select v-model="employee.job" placeholder="请选择职位" style="width: 100%;">
                <el-option v-for="job in jobs" :label="job.name" :value="job.value"></el-option>
                
              </el-select>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="薪资">
              <el-input v-model="employee.salary" placeholder="请输入员工薪资"></el-input>
            </el-form-item>
          </el-col>
        </el-row>
        <!-- 使用v-for动态加载下拉列表中的数据，这样便于维护 -->
        <!-- 第四行 -->
        <el-row :gutter="20">
          <el-col :span="12">
            <el-form-item label="所属部门">
              <el-select v-model="employee.deptId" placeholder="请选择部门" style="width: 100%;">
                <el-option v-for="dept in depts" :label="dept.name" :value="dept.id"></el-option>
              </el-select>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="入职日期">
              <el-date-picker v-model="employee.entryDate" type="date" style="width: 100%;" placeholder="选择日期" format="YYYY-MM-DD" value-format="YYYY-MM-DD"></el-date-picker>
            </el-form-item>
          </el-col>
        </el-row>

        <!-- 第五行 -->
        <el-row :gutter="20">
          <el-col :span="24">
            <el-form-item label="头像">
              <el-upload
                class="avatar-uploader"
                action="/api/upload"
                :show-file-list="false"
                :headers="{'token':token}"
                :on-success="handleAvatarSuccess"
                :before-upload="beforeAvatarUpload"
                >
                <img v-if="employee.image" :src="employee.image" class="avatar" />
                <el-icon v-else class="avatar-uploader-icon"><Plus /></el-icon>
              </el-upload>
            </el-form-item>
          </el-col>
        </el-row>
        

        <!-- 工作经历 -->
        <!-- 第六行 -->
        <el-row :gutter="10">
          <el-col :span="24">
            <el-form-item label="工作经历">
              <el-button type="success" size="small" @click="addExpr">+ 添加工作经历</el-button>
            </el-form-item>
          </el-col>
        </el-row>
        
        <!-- 第七行 ...  工作经历 -->
        <el-row :gutter="3" v-for="(expr, index) in employee.exprList">
          <el-col :span="10">
            <el-form-item size="small" label="时间" label-width="80px">
              <el-date-picker v-model="expr.exprDate" type="daterange" range-separator="至" start-placeholder="开始日期" end-placeholder="结束日期" format="YYYY-MM-DD" value-format="YYYY-MM-DD" ></el-date-picker>
            </el-form-item>
          </el-col>

          <el-col :span="6">
            <el-form-item size="small" label="公司" label-width="60px">
              <el-input v-model="expr.company" placeholder="请输入公司名称"></el-input>
            </el-form-item>
          </el-col>

          <el-col :span="6">
            <el-form-item size="small" label="职位" label-width="60px">
              <el-input v-model="expr.job" placeholder="请输入职位"></el-input>
            </el-form-item>
          </el-col>

          <el-col :span="2">
            <el-form-item size="small" label-width="0px">
              <el-button type="danger" @click="deleteExpr(index)">- 删除</el-button>
            </el-form-item>
          </el-col>
        </el-row>
      </el-form>
      
      <!-- 底部按钮 -->
      <template #footer>
        <span class="dialog-footer">
          <el-button @click="dialogVisible = false">取消</el-button>
          <el-button type="primary" @click="save">保存</el-button>
        </span>
      </template>
  </el-dialog>
</template>

<style scoped>
.search{
  margin: 20px 0;
}

.add{
  margin-bottom: 20px;
}

.avatar {
  height: 40px;
}
.avatar-uploader .avatar {
  width: 78px;
  height: 78px;
  display: block;
}
.avatar-uploader .el-upload {
  border: 1px dashed var(--el-border-color);
  border-radius: 6px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: var(--el-transition-duration-fast);
}

.avatar-uploader .el-upload:hover {
  border-color: var(--el-color-primary);
}

.el-icon.avatar-uploader-icon {
  font-size: 28px;
  color: #8c939d;
  width: 78px;
  height: 78px;
  text-align: center;
  border-radius: 10px;
  /* 添加灰色的虚线边框 */
  border: 1px dashed var(--el-border-color);
}
</style>